chgrp: Change group ownership

chgrp changes the group ownership of each given file to group, which can be either a group name or a numeric group id. Synopsis:

chgrp [option]... group file...

The program accepts the following options. Also see section Common options.

`-c'

`--changes'

Verbosely describe the action for each file whose group actually changes.

`-f'

`--silent'

`--quiet'

Do not print error messages about files whose group cannot be changed.

`-f'

`--no-dereference'

Act on symbolic links themselves instead of what they point to. Only available if the lchown system call is provided.

`-v'

`--verbose'

Verbosely describe the action or non-action taken for every file.

`-R'

`--recursive'

Recursively change the group ownership of directories and their contents.

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